<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>鼠标移入事件</title>
	</head>
	<body>
		<div id="box">Hello JQuery</div>
		<script src="../jquery-1.12.4.min.js"></script>
		<script>
			$('#box').mouseover(
				function(){
					$('this').css('background','greenyellow');
				}
			);
			$('div').mouseout(
				function(){
					$('div').css('background','white');
				}
			);
		</script>
	</body>
</html>
